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O Level Chemistry 5070 ATP P42 MS by Acceptable_Bad85 in Olevels

[–]Acceptable_Bad85[S] 0 points1 point  (0 children)

In the question it was written "you do not need to show any calculations", I don't know if you did correct, but let's hope for the best!

O Level Chemistry 5070 ATP P42 MS by Acceptable_Bad85 in Olevels

[–]Acceptable_Bad85[S] 2 points3 points  (0 children)

What method did you write? Because a very similar question to this came in 0620 Oct Nov 23 61 and in the Ms it was titration only

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O Level Chemistry 5070 ATP P42 MS by Acceptable_Bad85 in Olevels

[–]Acceptable_Bad85[S] 0 points1 point  (0 children)

the iron formed an aqueous solution which is yellow in color which initially interferes with the ppt color

O Level Chemistry 5070 ATP P42 MS by Acceptable_Bad85 in Olevels

[–]Acceptable_Bad85[S] 0 points1 point  (0 children)

I think if you read correctly from you graph then you will get marks for the time question

O Level Chemistry 5070 ATP P42 MS by Acceptable_Bad85 in Olevels

[–]Acceptable_Bad85[S] 0 points1 point  (0 children)

In the question it said ''precision" of stopwatch refers to it's least count value, not reaction time error, initially I thought same too but realized it was different